<?php
/**
 *  $Id$
 *
 *  PostCalendar::PostNuke Events Calendar Module
 *  Copyright (C) 2002  The PostCalendar Team
 *  http://postcalendar.tv
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  To read the license please read the docs/license.txt or visit
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */
function smarty_function_pc_sort_day($params, &$smarty)
{
    extract($params);

    if (empty($var)) {
        $smarty->trigger_error("sort_array: missing 'var' parameter");
        return;
    }

    if (!in_array('value', array_keys($params))) {
        $smarty->trigger_error("sort_array: missing 'value' parameter");
        return;
    }
    
    if (!in_array('order', array_keys($params))) {
        $order = 'asc';
    }
    
    if (!in_array('inc', array_keys($params))) {
        $inc = '15';
    }
    
    if (!in_array('start', array_keys($params))) {
        $sh = '08';
        $sm = '00';
    } else {
        list($sh,$sm) = explode(':', $start);
    }
    
    if (!in_array('end', array_keys($params))) {
        $eh = '21';
        $em = '00';
    } else {
        list($eh,$em) = explode(':', $end);
    }
    
    if (strtolower($order) == 'asc') {
        $function = 'sort_byTimeA';
    }

    if (strtolower($order) == 'desc') {
        $function = 'sort_byTimeD';
    }
    
    foreach ($value as $events) {
        usort($events, $function);
        $newArray = $events;
    }
    
    // here we want to create an intelligent array of
    // columns and rows to build a nice day view
    $ch = $sh;
    $cm = $sm;
    while ("$ch:$cm" <= "$eh:$em") {
        $hours["$ch:$cm"] = array();
        $cm += $inc;
        if ($cm >= 60) {
            $cm = '00';
            $ch = sprintf('%02d', $ch+1);
        }
    }
    
    $alldayevents = array();
    foreach ($newArray as $event) {
        list($sh,$sm,$ss) = explode(':', $event['startTime']);
        $eh = sprintf('%02d', $sh + $event['duration_hours']);
        $em = sprintf('%02d', $sm + $event['duration_minutes']);
        
        if ($event['alldayevent']) {
            // we need an entire column . save till later
            $alldayevents[] = $event;
        } else {
            //find open time slots - avoid overlapping
            $needed = array();
            $ch = $sh;
            $cm = $sm;
            //what times do we need?
            while ("$ch:$cm" < "$eh:$em") {
                $needed[] = "$ch:$cm";
                $cm += $inc;
                if ($cm >= 60) {
                    $cm = '00';
                    $ch = sprintf('%02d', $ch+1);
                }
            }

            $i = 0;
            foreach ($needed as $time) {
                if ($i==0) {
                    $hours[$time][] = $event;
                    $key = count($hours[$time])-1;
                } else {
                    $hours[$time][$key] = 'continued';
                }

                $i++;
            }
        }
    }

    //pcDebugVar($hours);
    $smarty->assign_by_ref($var, $hours);
}
